Math Vocab

Front

Parallel lines

Back

Lines that never intersect.

Front

Perpendicular lines

Back

Lines that intersect to form right angles.

Front

acute angle

Back

an angle < 90°

Front

Obtuse angle

Back

More than 90° but less than 180°.

Front

Right angle

Back

An angle that is exactly 90 degrees.

Front

sum

Back

the answer in an addition problem

Front

Difference

Back

Answer in a subtraction problem

Front

Product

Back

Answer in multiplication problem

Front

Quotient

Back

The answer in a division problem.

Front

equal

Back

exactly the same amount or value